Cod sursa(job #1804875)

Utilizator MirceaTMircea Timpuriu MirceaT Data 13 noiembrie 2016 09:50:28
Problema Radix Sort Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 1.59 kb
#include <cstdio>

using namespace std;

const int bucket=8,lim=(1<<bucket)-1;
int vaz[lim],v[10000010],v1[10000010],n;

int get_num(int x,int ind)
{
    return (x>>(ind*bucket))&lim;
}

int count_sort(int ind)
{
    for(int i=0;i<=lim;i++) vaz[i]=0;
    for(int i=1;i<=n;i++) vaz[get_num(v[i],ind)]++;
    for(int i=1;i<=lim;i++) vaz[i]+=vaz[i-1];
    for(int i=n;i;i--) v1[vaz[get_num(v[i],ind)]--]=v[i];
    for(int i=1;i<=n;i++) v[i]=v1[i];
}

int main()
{
    freopen("radixsort.in", "r", stdin);
    freopen("radixsort.out", "w", stdout);
    int a,b,c;
    scanf("%d%d%d%d",&n,&a,&b,&c);
    v[1]=b;
    for(int i=2;i<=n;i++) v[i]=(1LL*a*v[i-1]+b)%c;
    for(int i=0;i<32/bucket;i++)
        count_sort(i);
    for(int i=1;i<=n;i+=10) printf("%d ",v[i]);
    return 0;
}
#include <cstdio>

using namespace std;

const int bucket=8,lim=(1<<bucket)-1;
int vaz[lim],v[10000010],v1[10000010],n;

int get_num(int x,int ind)
{
    return (x>>(ind*bucket))&lim;
}

int count_sort(int ind)
{
    for(int i=0;i<=lim;i++) vaz[i]=0;
    for(int i=1;i<=n;i++) vaz[get_num(v[i],ind)]++;
    for(int i=1;i<=lim;i++) vaz[i]+=vaz[i-1];
    for(int i=n;i;i--) v1[vaz[get_num(v[i],ind)]--]=v[i];
    for(int i=1;i<=n;i++) v[i]=v1[i];
}

int main()
{
    freopen("radixsort.in", "r", stdin);
    freopen("radixsort.out", "w", stdout);
    int a,b,c;
    scanf("%d%d%d%d",&n,&a,&b,&c);
    v[1]=b;
    for(int i=2;i<=n;i++) v[i]=(1LL*a*v[i-1]+b)%c;
    for(int i=0;i<32/bucket;i++)
        count_sort(i);
    for(int i=1;i<=n;i+=10) printf("%d ",v[i]);
    return 0;
}